7.5

CVE-2021-26322: amd 1st gen amd epyc™ Key Management Errors

CVSS: 7.5v3.1HighModified
Published 16-11-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-26322 is a high (CVSS 7.5) Key Management Errors vulnerability in amd 1st gen amd epyc™. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-11-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Persistent platform private key may not be protected with a random IV leading to a potential “two time pad attack”.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.05% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.05%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Amd60 products

1 vendor · 60 products

References

1 links